Measuring and Organizing the Universe

How far away is Earth from the sun in Astronomical Units?

• 1

• 150 million

• 92 million

• 3

Tags

NGSS.MS-ESS1-3

Lightyear is the measurement of...

• the speed of light

• the amount of time light can travel one parsec

• the distance light can travel in one year

• the distance light can travel in one second

In the equation D=1/p, D represents

• Distance in lightyears

• Distance in kilometers

• Distance in AUs

• Distance in Parsecs

In the equation D=1/p, p represents

• Parallax angle

• Parsecs

• Particles

• Power

How many Lightyears are in a Parsec?

• 3.26

• 1

• 150 million

• 30.1

If a star has a parallax angle of 1 arcseconds, how far away from Earth is it in lightyears?

• 1

• 2

• .5

• 3.26

If a star has a parallax angle of 1 arcseconds, how far away from Earth is it in parsecs?

• 1

• 2

• .5

• 3.26

Tags

NGSS.MS-ESS1-3

What is the best unit of measurement for objects within our solar system?

• Kilometers

• Astronomical Units (AU)

• Lightyears

• Parsecs

Tags

NGSS.MS-ESS1-3

What is the best unit of measurement for objects outside of our solar system?

• Kilometers

• Astronomical Units (AU)

• Lightyears

• Parsecs

What is the best unit of measurement if you are trying to calculate how far away a star is using parallax?

• Kilometers

• Astronomical Units (AU)

• Lightyears

• Parsecs